| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| 고당 | city | Gyeonggi | Korea, Republic of (South) | 37.16 | 127.31 | 321 | 47704 |
| 고당 | city | Chungnam | Korea, Republic of (South) | 36.17 | 127.16 | 150 | 50095 |
| 고당동 | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.32 | 125.18 | 170 | 22709 |
| 고당동 | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 41.01 | 126.59 | 1669 | 7599 |
| 고당리 | city | Chungbuk | Korea, Republic of (South) | 36.30 | 127.70 | 892 | 8335 |
| 고당리 | city | Chungbuk | Korea, Republic of (South) | 36.22 | 127.69 | 830 | 5519 |
| 고당리 | city | Jeonbuk | Korea, Republic of (South) | 36.05 | 127.34 | 830 | 8739 |
| 고당수 | city | Gyeongbuk | Korea, Republic of (South) | 35.75 | 129.18 | 232 | 9882 |